Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
Weather in May
Temperature
The average high-temperature during May is a warm 76.6°F (24.8°C), almost matching the conditions of the preceding month. Alta Loma experiences a significant contrast between daily highs and an average nighttime temperature of 53.2°F (11.8°C) during May.Humidity
February, March and May, with an average relative humidity of 53%, are the most humid months in Alta Loma, California.Rainfall
In May, in Alta Loma, the rain falls for 4.2 days. Throughout May, 0.28" (7mm) of precipitation is accumulated. Throughout the year, in Alta Loma, there are 50.5 rainfall days, and 7.56" (192mm) of precipitation is accumulated.Daylight
In May, the average length of the day is 13h and 57min.On the first day of May in Alta Loma, sunrise is at 6:00 am and sunset at 7:34 pm. On the last day of the month, sunrise is at 5:39 am and sunset at 7:56 pm PDT.
Sunshine
In Alta Loma, the average sunshine in May is 11.8h.UV index
The average daily maximum UV index in May in Alta Loma is 6. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: The daily high UV index of 6 in May translates into this advice:
Exercise precautions and adapt sun safety practices. Defence against skin and eye affliction is paramount. From 10 a.m. to 4 p.m., when UV radiation is at its strongest, limit direct exposure to the Sun and note that shade structures may not provide full sun protection. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
Frequently asked questions
What is the average May temperature in Alta Loma?
What are the most humid months in Alta Loma?
What is the average humidity in May in Alta Loma?
How many days does it rain in May in Alta Loma?
What is the average length of the day in May in Alta Loma?
What time are sunrise and sunset in May in Alta Loma?
How many hours of sunshine does Alta Loma have in May?
What is the UV index reading in May in Alta Loma?
Average temperature in May
Alta Loma, CA
- Average high temperature in May: 76.6°F
The warmest month (with the highest average high temperature) is August (91.2°F).
The month with the lowest average high temperature is December (61.3°F).
- Average low temperature in May: 53.2°F
The month with the highest average low temperature is August (66.7°F).
The coldest month (with the lowest average low temperature) is February (45.1°F).
Average pressure in May
Alta Loma, CA
- Average pressure in May: 29.9"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).
Average wind speed in May
Alta Loma, CA
- Average wind speed in May: 5.9mph
The windiest months (with the highest average wind speed) are April and May (5.9mph).
The calmest month (with the lowest average wind speed) is September (4.5mph).
Average humidity in May
Alta Loma, CA
- Average humidity in May: 53%
The months with the highest relative humidity are February, March and May (53%).
The month with the lowest relative humidity is August (41%).
Average rainfall in May
Alta Loma, CA
- Average rainfall in May: 0.28"
The wettest month (with the highest rainfall) is February (1.73").
The driest month (with the least rainfall) is June (0.04").
Average rainfall days in May
Alta Loma, CA
- Average rainfall days in May: 4.2 days
The month with the highest number of rainy days is March (7.5 days).
The month with the least rainy days is June (1.2 days).
Average daylight in May /
Average sunshine in May
Alta Loma, CA
- Average daylight in May: 14h and 0min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in May: 11h and 5min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is February (Average sunshine: 6h and 54min).
Average sunshine days in May
Alta Loma, CA
- Average sunshine days in May: 24.9 days
The month with the most sunshine days is June (27.7 days).
The month with the least sunshine days is February (21.4 days).
Average UV index in May
Alta Loma, CA
- Average UV index in May: 6
The months with the highest UV index are July and August (UV index 7).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in May
Alta Loma, CA
- Average cloud cover in May: 12
The months with the most cloud cover are March and December (Cloud cover 21).
The month with the least cloud cover is August (Cloud cover 4).
Average visibility in May
Alta Loma, CA
- Average visibility in May: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Alta Loma, California, USA
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